Corner key



FIG. 1 is a perspective view of a corner key.

FIG. 2 is a front elevation view of the corner key of FIG. 1.

FIG. 3 is a rear elevation view of the corner key of FIG. 1.

FIG. 4 is a right elevation view of the corner key of FIG. 1.

FIG. 5 is a left elevation view of the corner key of FIG. 1.

FIG. 6 is a top plan view of the corner key of FIG. 1; and,

FIG. 7 is a bottom plan view of the corner key of FIG. 1.

The broken lines depict portions of the corner key that form no part of the claimed design and the dot-dot-dash lines define the boundaries of the corner key that form no part of the claimed design. 

CLAIM The ornamental design for a corner key, as shown and described. 